# sm.util.bezier3

Cubic Bezier interpolation. One dimensional bezier curve.

**Kind:** Function

**Environments:** Game, Terrain

## Game

``` { .lua .api-signature }
sm.util.bezier3( c0, c1, c2, c3, t )
```

[Open the full Game reference](../Game-Script-Environment/Static-Functions/sm.util.md#bezier3)

**Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| `c0` | number | The start value. |
| `c1` | number | The first control point. |
| `c2` | number | The second control point. |
| `c3` | number | The end value. |
| `t` | number | The interpolation step. |

**Returns:**

| Type | Description |
| --- | --- |
| number | The interpolated value between two values. |

## Terrain

``` { .lua .api-signature }
sm.util.bezier3( c0, c1, c2, c3, t )
```

[Open the full Terrain reference](../Terrain-Script-Environment/Static-Functions/sm.util.md#bezier3)

**Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| `c0` | number | The start value. |
| `c1` | number | The first control point. |
| `c2` | number | The second control point. |
| `c3` | number | The end value. |
| `t` | number | The interpolation step. |

**Returns:**

| Type | Description |
| --- | --- |
| number | The interpolated value between two values. |